Original link: https://stackoverflow.com/questions/51217876/conda-update-anaconda-fails-clobbererror?newreg=2c51dd84b04b42c49294714471612f07
The reason for this problem is that the versions of related packages such as CONDA and pip are too low to be updated automatically. Solution: enter the following command on the command line:
conda clean --all
conda update --all